@media (max-width: 992px) {
    .cont > div > .col-sm-5{
        width: 47%;
    }
    .cont > div > .col-sm-5:nth-of-type(3) {
        margin-right: 18px;
    }
}
@media (max-width: 649px) {
    .top_right{
        display: none;
    }
    .cont > div > .col-sm-5{
        width: 100%;
    }
    .cont > div > .col-sm-5:nth-of-type(3) {
        margin-right: 18px;
    }
}

header{
    height: 331px;
    background-color: #4789C1;
}
.wrap{
    padding: 0;
}
.wrap h2{
    color: #fff;
}
.top{
    margin-top: 20px;
    /*background-color: #c1e2b3;*/
    height: 98px;
}
.top_left{
    /*background-color: #5e5e5e;*/
    height: 98px;
    float: left;
}
.top_right{
    overflow: hidden;
    height: 98px;
    line-height: 78px;
    padding-top: 20px;
    float: right;
    /*background-color: #d58512;*/
}
.top_right li{
    float: left;
    font-size: 18px;
    margin-right: 20px;
}
.top_right li>a{
    color: #FFFFFF;
}
header>h2{
    margin-top: 40px;
    margin-bottom: 20px;
    color: #FFFFFF;
    padding: 18px;
}
.search{
    height: 42px;
    border: 1px solid #DDD;
    margin-left: 15px;
    margin-top: 10px;
}
/*内容*/
.cont{
    margin-top: 20px;

}
.cont>div{
    padding: 0;
}
.cont>div>div{
    /*height: 437px;*/
    border:1px solid #dddddd;
    margin-bottom: 10px;
    padding: 18px;
    margin-right: 18px;
    width: 32%;
}
.cont>div>div:nth-of-type(3n){
    margin-right: 0;
}
.cont>div>div h2{
    padding: 18px;
}
.cont_des>a{
    font-size: 16px;
    display: block;
    margin-top: 10px;
}

/*something_else部分*/
.something_else p{
    /*width: 550px;*/
    font-size: 18px;
    line-height: 30px;
    color: #50647A;
}
.something_else a{
     font-size: 18px;
 }


/*尾部*/
.footer_color{
    height: 25px;
    background-color: #4789C1;
    position: relative;
    margin-top: 50px;
}
.footer_color>span{
    width: 250px;
    height: 50px;
    background:url("../images/download.svg") no-repeat center;
    background-size: 100%;
    position: absolute;
    bottom: 14px;
    right: 0;
}